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List: freebsd-chat
Subject: Re: Mickey Mouse networking...
From: Jamie Bowden <ragnar () sysabend ! org>
Date: 1999-05-28 2:04:09
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On Thu, 27 May 1999, Jamie Bowden wrote:
:On Fri, 28 May 1999, Dan Langille wrote:
:
::On 27 May 99, at 13:41, Jasper O'Malley wrote:
:
::> Another reason Microsoft sucks...whilst attempting to set an IP address on
::> a NIC in a Win98 box to 10.4.100.255/255.255.0.0, I encountered the error
::> message:
::>
::> "The specified IP address is not valid."
::>
::> I say we take a collection to send the Microsoft programmers to a class on
::> IP subnetting.
::
::OK. I'll be the lamb to the slaughter.
::
::I understood that ip addresses ending in either 0 or 255 were not to be
::used. They are both used as broadcast addresses. Is that correct?
::
::If the above is correct, why is the IP address supplied above correct?
:
:The first address in a subnet (any subnet, from a /8 to a /30) is the
:network address. In 4.2 BSD it was also the braodcast address. The rest
:of the world, including BSD 4.3 and later use the last address in a subnet
:as the broadcast address. I don't think windows supports 4.2 BSD
:compatibility, so the above error is perfectly valid.
As he pointed out in a later post, the address above is valid. I made the
same mistake mickeysoft did, and only looked at the last octet.
Jamie Bowden
--
If we've got to fight over grep, sign me up. But boggle can go.
-Ted Faber (on Hasbro's request for removal of /usr/games/boggle)
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